Galvanic cell.



GALVANIG (:ELZLI it known that I Mosnnoia L. KAPLAN, citizen the UniiedStates, and resident Brool'l n of New York, have invented eertain newand useiiil IFiPZ'OVQIDGQ CS in Galvanic Cells, of which the folloi-vingis it specifieal'ion.

The galvanic cells of the Leclaneh type, it is Wellknown, contain mannescpe'roxid as a depolarizing agent which can he either mined;

The usual methods f0? ohtainii nese peroxid or hydinied pet-o L scribedin Tweaise "m1- U/levmst'rg hy and Scholeinmei'. The pniiduiials obainedaccording to those IHGillOClf-i, hough uperior i0 mineral on accountoftheir fine powdery stale, OW

the following iinperi'ee iOW specific weight which makes 3L- hlefe ei-ensnfiieieni innterizil in a given eimn 15%; ee is of reat dis- @SPQK allyin ihe mailman-Lure of mangapiOil ifill 0: iiniiioirin CO1110S1 ofelK-ali and :unds already e ahove-meniloned treatise.

and have found the seine to lie and U. most f0; oblnii: e iifieinl hdiated manganese perexid in po i state and at the same iinie of eeoinparw iiwly high dens ty: l'visngonese czirbonate (ll in ffi issubjected to :i

liluied soluaion of p ngnneie, which er lowing mansion:

r the foli is allowed insure zhe complete 1S CllbCORtuxlltu 21K osetile.

oxidation Speeifieetion of Letters Patent. {me m i @Qt 1% 1913.

1, in the county of Kings and State of mineral origin or artificiallyoboiljcoveied i'he following process,

Jipnlieation filed May 28, 1913. Serial No. 768,870.

moving the last traces of lln Cfi or K CU respectively, washediepeafiedly with hot water, then collected on filters and dried. Theresulting 1. roductof a desk blue color and consists of {L line densepowder. Cells made-in the usual ways with this material as :1 depole,i261 give excellent resulls'in respect to continuous SQ1 JiC6 and showmap velons reoizperative powers.

The 2(lV21l1li1gS.Of the process invented by me over all known-methodsare (1) that by using of dense insoluble compound such as manganesecarbonate, as a starling point, a dense fine pmvdei' of hydratedmanganese dioxid is obtained retaining, to a certain extent, theoriginal properties of the nia'tei'ial l'led from; no free alkali oracidis used or liberated during the reaction, which the resulting roductbeing free of ions ingredients; as analysis has 'hown l'fhe resullenlwproduct consists of pure or nearly gure hydrated manganese peroxid ofthe formula QllZlnO -I-MLO.

What I claim as my invention and desire to secure by Letters Patent, is:

1. A galvnnfl cell eonl'aining as a depolarizing sesqui iydmtedmanganese pei'nxid.

2 c I izing age t lfitllal'fid manganese perornd CliLI'iIQiGIlZGCl mybeing a fine powder, dense and of dark blue color oxidation of manganesecarbonate by a s les iion of a permanganate. v g

process for obtaining hydrated n19.11-

pei'oxld SUiiflblG for use as n 111 a arenic cell, comprising l neidenon of i solve e snll s of manganese.

555i ned as New ion: oily, in lire county a (m x 1 w 1.; of New York,nne ,i'sce 0" new 1 wk, his; 19th def, lav A 191i".

iiiO iilUC-ii L i FLA:

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